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Finding the Fourth Proportional to 484.70, 668.93 and 337.41

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Solution

The fourth proportional to 484.70, 668.93 and 337.41 is: 465.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    484.70 : 668.93 = 337.41 : x
  2. Step 2: Convert to fraction form
    484.70/668.93 = 337.41/x
  3. Step 3: Cross multiply
    484.70x = 668.93 × 337.41
  4. Step 4: Simplify right side
    484.70x = 225,701.98
  5. Step 5: Solve for x
    x = 225,701.98/484.70
  6. Step 6: Final answer
    x = 465.66

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.